CN102050248A - Liquid container, liquid delivering device equipped therewith and liquid delivering method - Google Patents

Liquid container, liquid delivering device equipped therewith and liquid delivering method Download PDF

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Publication number
CN102050248A
CN102050248A CN2010105444458A CN201010544445A CN102050248A CN 102050248 A CN102050248 A CN 102050248A CN 2010105444458 A CN2010105444458 A CN 2010105444458A CN 201010544445 A CN201010544445 A CN 201010544445A CN 102050248 A CN102050248 A CN 102050248A
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CN
China
Prior art keywords
liquid
container
container body
liquor charging
liquid container
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Granted
Application number
CN2010105444458A
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Chinese (zh)
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CN102050248B (en
Inventor
川合惠治
太田康之
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Aicello Chemical Co Ltd
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Aicello Chemical Co Ltd
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Publication of CN102050248A publication Critical patent/CN102050248A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/32Containers adapted to be temporarily deformed by external pressure to expel contents
    • B65D1/326Containers adapted to be temporarily deformed by external pressure to expel contents the container comprising an, externally located, integrally formed tube through which the contents pass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17503Ink cartridges
    • B41J2/17543Cartridge presence detection or type identification
    • B41J2/1755Cartridge presence detection or type identification mechanically
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/12Cans, casks, barrels, or drums
    • B65D1/14Cans, casks, barrels, or drums characterised by shape
    • B65D1/16Cans, casks, barrels, or drums characterised by shape of curved cross-section, e.g. cylindrical
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D21/00Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0209Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together one-upon-the-other in the upright or upside-down position
    • B65D21/0211Wire-mesh containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00Containers or packages with special means for dispensing contents
    • B65D83/0005Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container
    • B65D83/005Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container the piston or movable bottom being pulled upwards to dispense the contents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/02Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
    • B67D7/0205Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants by manually operable pumping apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06Details or accessories
    • B67D7/72Devices for applying air or other gas pressure for forcing liquid to delivery point
    • B67D7/725Devices for applying air or other gas pressure for forcing liquid to delivery point using negative pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Stackable Containers (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Devices For Dispensing Beverages (AREA)

Abstract

The invention discloses a liquid container, a liquid delivering device equipped therewith and a liquid delivering method. The liquid container can maintain the filled liquid with high quality, wherein the space is saved for storing liquid and the residual liquid is reduced to the minimal amount when the liquid is discharged. According to the liquid delivering device and the liquid delivering method, the installation and replacement operation of the liquid container is operated conveniently, which is simple in structure and low in cost. Meanwhile, the amount of the residual liquid in the container is largely reduced and the liquid is discharged safely. The liquid container (1) comprises a round-bottomed main body (2) and a supporting platform (3) made of thermoplastic resin with a bending elastic rate of at least 700 MPa. The inner surface of the main body (2) is made of thermoplastic resin of high purity and the supporting platform (3) is equipped with a through part (9). According to the liquid delivering device (20) arranged on the liquid container (1), the end (23a) of a liquid feeding pipe (23) is inserted to the round bottom (6) of the container. The upper end and the lower end of the main body (2) are respectively clamped by a protrusion part (32) and a pressing member (34). When gas with a pressure of 200 kPa is supplied, the liquid in the container is discharged.

Description

Liquid container, the liquid feeding device that uses this liquid container and feeding method
Technical field
The present invention relates to a kind of liquid container that is used for receiving fluids, be used for the liquid feeding device that liquid is sent from this liquid container and the method for sending of liquid.
Background technology
The such liquid of industrial high purity soup, medical high purity soup and edible material liquid such as employed photoresist or solvent need be under the prerequisite that does not have foreign matter to sneak in quartz conductor and field of liquid crystals, high purity ground stores, carrying and using.Therefore, wish to be used to store, carry the liquid container of these liquid, or the liquid container that direct mount uses to the liquid feeding device is the few container of composition stripping.The method of sending of this liquid container and liquid for example is documented in the Japanese patent laid-open 11-290420 communique.
The liquid container of being put down in writing in above-mentioned document is a kind of tool multiple-structure and forms the container of internal layer by the high purity resin, at the outstanding discharge orifice that is provided with of container upper side, and should bottom formation flat condition so that container be able to support oneself.In this container, fill high purity chemical liquid, shown in above-mentioned document, will with gaseous tension liquid be sent again after the withstand voltage protection carrying out with the withstand voltage protection container of ability gaseous tension or the covering of protection container around the container.
Yet, in the liquid container that above-mentioned document is put down in writing, have when sending liquid, be difficult to remain in the liquid discharge of smooth container bottom, the technical matters that the raffinate amount is many.In addition, also have, or when near liquid feeding device, preparing liquid container, need liquid container is placed side by side, and need the technical matters of wide space at a plurality of liquid containers of desire keeping.And, owing to when being installed to liquid container on the liquid feeding device, need cover with withstand voltage protection container; therefore; the part number that also has liquid feeding device increases, and becomes device extensive and high price, and the installation exercise of liquid container or the also very numerous and diverse technical matters of replacing operation.And, when using high-voltage gaseous tension to send liquid, easily produce bubble in liquid content, therefore in liquid feeding device, need the technical matters that is used for removing the filter of bubble from liquid.
Summary of the invention
The present invention forms in order to solve the problems of the technologies described above invention, its purpose is to provide a kind of liquid container of carrying, this liquid container can not only keep the liquid of being filled high-qualityly, can also in saving the space, carry out the storage of liquid, and the raffinate amount can be with liquor charging the time is reduced to very little.In addition, the present invention also aims to provide a kind of installation exercise and exchanging operation that can conveniently carry out this liquid container, and simple in structure, cheap, and can reduce raffinate amount in the liquid container and liquid feeding device and the feeding method that liquid safe can be sent reliably.
For achieving the above object, liquid container of the present invention comprises:
Container body, this container body is the thermoplastic base resin blow molding that is at least 700MPa by crooked elastic rate, be formed with round bottom roughly being metastomium cylindraceous, formation has the discharge orifice concentric with this metastomium at the top, the said vesse main body can be accommodated liquid, and the key that can carry out dismounting is arranged on this discharge orifice; And
Resinous supporting station is supported oneself in order to make container body, and this round bottom side of this supporting station and this metastomium is chimeric, it is characterized in that,
At least the inside face of this container body is to be formed by the high purity thermoplastic base resin that can not leach the contaminant particles more than the governing criterion value in liquid,
When a plurality of container bodies are stacked, on this supporting station, be formed with, the portion of running through that can accommodate this discharge orifice that has this key of this container body of being stacked in lower floor, and be formed with the bottom that can engage with the top of this container body that is stacked in lower floor.
The aforesaid liquid container is characterised in that, but the resin of formation said vesse main body and/or above-mentioned supporting station is the resin of material regeneration.
Liquid feeding device of the present invention is that the device of aforesaid liquid container so that the liquid in this liquid container is sent is installed, and it is characterized in that, comprising:
Base, this base is equipped with the aforesaid liquid container, and has jut, the above-mentioned portion of running through of this jut and above-mentioned supporting station mutually embedding and with the above-mentioned round bottom butt of said vesse main body;
The liquor charging adapter, this liquor charging adapter can replace the above-mentioned key can be with respect to aforementioned discharge orifice dismounting, and can seal this container body, above-mentioned liquor charging adapter has gas supply opening and liquid pushing tube, wherein, the above-mentioned gas supply opening is used for linking to each other with the pressurized source of the pressure of the high 200kPa of being no more than with to supply gas in the said vesse main body, and the end of above-mentioned liquid pushing tube is positioned at the approaching position of the bottommost of the above-mentioned round bottom of this container body and makes its front end export to this container body outside; And
Withhold member, but this be arranged on with withholding the member free motion stand up the pillar that is provided with from this base on, its can with the action of fixedly withholding member on the position of the top butt of this liquor charging adapter of embedding mutually with this discharge orifice.
Above-mentioned liquid feeding device is characterised in that being connected with pressure on the above-mentioned gas supply opening is the above-mentioned pressurized source of 10k~50kPa.
Above-mentioned liquid feeding device is characterised in that, on the above-mentioned gas supply opening, be formed with the pressurization adaptor union that links to each other with above-mentioned pressurized source joinably, the above-mentioned member of withholding has locating part, this locating part with the state of the top butt of above-mentioned liquor charging adapter under the adaptor union that should pressurize be connected with this gas supply opening, at this moment, with this pressurization adaptor union butt this is withheld the mobile fastening of member.
Above-mentioned liquid feeding device is characterised in that, above-mentionedly withholds member and above-mentioned liquor charging adapter has detent mechanism, and this detent mechanism is chimeric mutually withholds the position of member to limit this gas supply opening with respect to this.
A kind of feeding method, it is characterized in that, filling liquid in the aforesaid liquid container, the end of liquid pushing tube is inserted near the bottommost of round bottom, and the front end of liquid pushing tube exported to the outside, clamp the both sides up and down of the container body of this liquid container, the highest gas that is no more than the pressure of 200kPa of supply is sent liquid from the aforesaid liquid container in this liquid container.
Above-mentioned feeding method is characterised in that above-mentioned gas pressure is 10k~50kPa.
According to liquid container of the present invention, container body is by the high purity thermoplastic base resin that can not leach the contaminant particles more than the standard value from inside face liquid, and has the thermoplastic base resin formation that crooked elastic rate is at least 700MPa, can not only keep the high-quality of liquid, therefore also has good mechanical strength simultaneously, in the time of can preventing to carry or the damaged or distortion of container during keeping.Particularly when liquor charging, though with pressure 200kPa pressurization also can prevent container than large deformation.In addition, because it has good mechanical strength, even therefore a plurality of containers that are filled with liquid are stacked, breakage can not take place in the liquid container that is stacked in lower floor yet.And, when a plurality of liquid containers are stacked and since be stacked in lower floor liquid container embed the portion of running through of supporting station with the discharge orifice of key, the top that is stacked in lower floor engage with the bottom of supporting station, so can be stably stacked and can save and take care of the space.In addition, because container body is round bottom, the liquid residual in the time of therefore can reducing liquor charging.
According to liquid container of the present invention, but form by resin by material regeneration, owing to can regenerate as raw MAT'L, and can recycle, so the feature of environmental protection is good.
According to liquid feeding device of the present invention and feeding method,, just can prevent the deformation of direction up and down by clamping the both sides up and down of container body.Therefore, the end and the distance between the round bottom of liquid pushing tube are constant, so the liquid that can will focus on round bottom during liquor charging has no lavishly, the raffinate amount is sent less reliably.As an example, the raffinate amount of liquid is below 0.5% of container capacity, is preferably below 0.1%.Therefore, but can increase the use amount that is housed in the liquid in the liquid container, thereby can improve productive rate, and can reduce the replacing frequency of liquid container, so good production.And; because its use has the liquid container of good mechanical strength; do not need to cover liquid container with withstand voltage protection container; therefore not only make the installation exercise of liquid container and change task program easy; apparatus structure is simple and cheap simultaneously; also safeguard easily, thereby be used as the device of economical.In addition, by the highest gas that is no more than the pressure of 200kPa of pressurization, liquid container can not take place damaged as safe as a house, and because of it is a low pressure, thereby the bubbles volume that can reduce in liquid to be produced.
According to liquid feeding device of the present invention and feeding method, be decided to be 10k~50kPa by the air pressure that will be fed in the liquid container, thus the bubbles volume that can further reduce in the liquid to be produced.
According to liquid feeding device of the present invention, withhold member and have and the locating part of pressurization adaptor union butt by making with the mobile fastening that will withhold member, can prevent from connecting the pressurization adaptor union and be residually in the liquid container has under the pressure status, untie the member of withholding of fixing liquor charging adapter because of carelessness, therefore can prevent that the liquor charging adapter from dash forward because of pressure flies, and can be from installing the safe liquid container of pulling down.
According to liquid feeding device of the present invention, withhold member and liquor charging adapter and have the gas of qualification supply opening and withhold the detent mechanism of member by making with respect to this, because this mechanism can make the gas supply opening towards fixed-direction, therefore can easily the pressurization adaptor union be connected with the gas supply opening, and can be rapidly and carry out the installation exercise of liquid container easily.And, the position relation that pressurization adaptor union that links to each other with the gas supply opening and the relation of the position between the locating part are defined as to fix, therefore, locating part can block reliably withholds moving of member.
Description of drawings
Fig. 1 is the semi-sictional view front view that expression is suitable for the keeping state of liquid container of the present invention.
Fig. 2 is the semi-sictional view front view that expression is suitable for the running condition of liquid container of the present invention and liquid feeding device.
Fig. 3 is the constructional drawing that expression is suitable for the running condition of liquid container of the present invention and liquid feeding device (the main cross section of looking).
Fig. 4 is the local amplification stereogram that expression is suitable for the running condition of liquid feeding device of the present invention.
Fig. 5 is the local amplification stereogram that expression is suitable for the running condition of another liquid feeding device of the present invention.
(nomenclature)
1 liquid container
2 container bodies
3 supporting stations
5 metastomiums
6 round bottoms
7 tops
The 7a protrusion
8 discharge orifices
9 run through portion
11 turn troughs (Japanese: circumference Ditch)
12 juts
13 outside cylindrical portions
14 inside cylindrical portions
15 bottoms
16 keys
17 liquid
18 keeping platforms
20 liquid feeding devices
21 liquor charging adapters (Japanese: liquor charging ア ダ プ タ)
The 21a fitting portion
21b pipe-supporting portion
23 liquid pushing tubes
The 23a end
The 23b front end
24 positioning grooves
25 gas supply openings
26 pressure gauges
27 safety valves
28 hand valves
29 pressurized sources
30 pressurization adaptor unions
The 30a connecting portion
The 30b main part
31 bases
32 juts
33 pillars
34 withhold member
35 rotating shafts
36 locating parts
36a port portion
37 locating dowel pins
39 adaptor unions
50 photoresist dissemination apparatus
51 buffer containers
52 pumps
53 filters
54 triple valves
55 nozzles;
The specific embodiment
Below, be elaborated to being used to implement embodiments of the present invention, but scope of the present invention is not limited to these embodiments.
With reference to Fig. 1 the comparatively desirable embodiment of liquid container of the present invention is described.
In Fig. 1, expression will stack and be carried on the state of taking care of on the platform 18 by liquid container 1 of the present invention as two an of example.Liquid container 1 is a kind of container that does not have the composition stripping and can not pollute the liquid 17 of being filled, and it can be used for storage, the transportation of liquid 17, maybe can be with its direct mount to liquid feeding device for use.
Aforesaid liquid container 1 for example can be applicable to preferably and require that the quartz conductor of clean liquid quality or manufacturing field, field of medicaments and the field of food of liquid crystal apparatus are arranged.As liquid 17, can enumerate as photoresist liquid, acid, alkali, solvent etc. when quartz conductor or liquid crystal apparatus are made the liquid that field of food adopted such as pharmaceutical liquid such as the liquid that adopts or thimerosal, transfusion, dislysate or spices, concentrate, food additives.Below, as an example, the situation of the photoresist liquid that is adopted when liquid 17 is quartz conductor or liquid crystal apparatus manufacturing is illustrated.
As shown in Figure 1, liquid container 1 is made of container body 2 and supporting station 3.
The lower side that roughly is metastomium 5 cylindraceous of container body 2 (downside among the figure) is a round bottom 6, and the upper side of metastomium 5 (upside among the figure) is for being formed the top 7 osed top shapes of discharge orifice 8.
Discharge orifice 8 is forming diameter than little cylindric of metastomium 5, and 7 central portion forms towards prominent the establishing of outside of containers from the top with one heart with metastomium 5.The periphery of discharge orifice 8 is formed with positive bolt, thus can with key 16 dismounting that are formed with cloudy bolt.
The shape that also can form general planar from the lower end of discharge orifice 8 to the part of metastomium 5 at top 7, but as shown in Figure 1, because it is the part from the lower end of discharge orifice 8 to metastomium 5 is formed the compressive resistance that slowly downward-sloping shape can increase container, thereby comparatively desirable.In addition,,, container body 2 turned upside down just can discharge raffinate or the detergent remover that remains in slightly in the liquid container 1 easily, from the viewpoint of material regeneration ideal comparatively then because after liquid container 1 uses if as mentioned above top 7 is formed downward-slopingly.In addition, supporting station 3 can left and right deviation for above supporting station 3 being laminated to top 7 time, comparatively it is desirable to, and forms to make 7 tops, top bulge into diameter than the 9 slightly little protrusion 7a that run through portion to run through portion 9 embedding mutually with described later.
Round bottom 6 sides at metastomium 5 are formed with the turn trough 11 that is used to embed supporting station 3.
Container body 2 forms 1~200L (liters) for example and wishes the liquid 17 of capacity in the energy collecting post like this.For example to form diameter during for 1L be 90mm to the diameter of container body 2 for example forms at capacity during for 200L that diameter is 600mm at capacity, and its diameter and capacity can be any size.
Container body 2 be to crooked elastic rate be at least 700MPa the thermoplastic base resin blow molding so that at least its interior surface layers be to form by the high purity thermoplastic base resin.For example, when container body 2 is that wall portion by multiple-structure is when forming, its interior surface layers is formed by the high purity thermoplastic base resin, other any one decks are as long as the thermoplastic base resin that is at least 700MPa by crooked elastic rate forms, or the wall portion of the multiple-structure that is formed by thermoplastic base resin is so long as integral body has at least the crooked elastic rate of 700MPa forms and get final product.In addition, when container body 2 is when being formed by single layer wall portion, as long as the high purity thermoplastic base resin that uses crooked elastic rate to be at least 700MPa forms.No matter be any, all can use known blow molding machine to be shaped.(JIS: JES Japan Engineering Standards) carry out by the method for K7171 according to JIS for the measuring method of crooked elastic rate.
To the highest gas that is no more than pressure 200kPa of container body 2 supplies, when carrying liquid 17,, need the crooked elastic rate of container resin to be at least 700MPa as the intensity that prevents that container breakage or moderate finite deformation are required by this pressurization.If the not enough 700MPa of crooked elastic rate, then when pressurized, distortion of vessel is bigger, will need the liquid container as in the past, and the usefulness for example so withstand voltage protection container of corrosion-resistant steel Pressure Container comes covering container main body 2 to protect.
Can improve vessel strength more because the thickness of slab of container body 2 is thick more, but then not only need more raw MAT'L also can make the receptacle quantitative change heavy as if blocked up, therefore just can in the scope that is shaped easily, form thin thickness of slab as long as be at least 700MPa with crooked elastic rate, thus comparatively desirable.As an example, if having thickness of slab about 1.5-4mm, then owing to also form easily, thereby comparatively desirable.
At this, the high purity thermoplastic base resin is meant can not leach the resin of the above contaminant particles of required standard value in the liquid 17.Particularly, when being stored in liquid 17 in the container body 2 for a long time, also cleanliness level can be made the index of the degree of quality reduction because of the leaching contaminant particles as expression.The definition of cleanliness level be with ultra-pure water or photoresist liquid be stored in the detection receptacle certain during after, calculate the particulate that exists in the stored content of 1mL (milliliter) more than how many particle diameters 0.2 μ m.Particularly, it is defined as follows formula:
Figure BSA00000346287000091
In formula (1), a is the capacity of detection receptacle, and b is the liquid measure of the content liquid of sampling from detection receptacle.Take to be used for test liquid that initial cleanliness level is measured at first, as follows.The detection receptacle of capacity a (mL) is put into capacity, and half is ultra-pure water or the photoresist liquid of a/2 (mL), vibrates 15 seconds and leave standstill after 24 hours again to take.The test liquid that is used for the cleanliness level after storing is measured is at the container that key is installed to measured initial cleanliness level after, place certain during after, container is rotated 3 times, take again afterwards.C is the value of the particulate more than particle diameter contained in the test liquid full dose 0.2 μ m being calculated with batch particle-counting system.With the cleanliness level after these numerical value are during formula (1) calculates initial and storage necessarily.The quality of the low more expression photoresist of the numerical value of cleanliness level liquid is good more.When cleanliness level was 100/mL of less than, quality and yield rate that it can not reduce quartz conductor, Liquid Crystal Display (LCD) (LCD) can stably store soup.
Therefore, when container body 2 was measured cleanliness level as detection receptacle, use can be satisfied the resin of desirable cleanliness level as the high purity thermoplastic base resin.When accommodating photoresist liquid, use the resin of cleanliness level as 100/mL of less than (example of required standard value).In other words, the high purity thermoplastic base resin is meant and can not leaches the resin of the above contaminant particles of required standard value in the liquid.In addition, also can calculate particle number more than the particle diameter 0.3 μ m corresponding to the specification that is suitable for.In addition, also can use the resin of cleanliness level corresponding to the specification that is suitable for as 200/mL of less than.In addition, key 16 also can be formed by the high purity thermoplastic base resin.
In addition, except cleanliness level, also can limit the leaching degree of contaminant particles with the diaphaneity degree of deterioration (an other example of required standard value) of liquid 17.
But the resin of formation container body 2 is the resin of material regeneration preferably, for example can enumerate: polyenes such as polyethylene, polypropylene; Polyamide; Polyvinyl alcohol; Ethylene-vinyl alcohol copolymer; Polyester; Polyethylene oxide etc.Both can use above-mentioned resin to form single layer wall portion separately, and also can use multiple above-mentioned resin to form the wall portion of multiple-structure.
If enumerate concrete example, container body 2 also can be structure as described below:
It is to be formed by poly-mer of the copolymer that is polyethylene or ethylene/alpha-olefin (a) and poly-mer (b);
Wherein, poly-mer (a):
Weight average molecular weight is more than 200,000, and density is 0.940~0.970g/cm 3, be below 0.09g/10 minute according to the fusion index of JISK6760, this poly-mer (a) accounts for 30~95% in the total weight, is used to cover superficies in fact;
Poly-mer (b):
Weight average molecular weight is more than 30,000, less than 200,000, and density is 0.930~0.970g/cm 3, be below 0.1~1.0g/10 minute according to the fusion index of JIS standard, this poly-mer (b) accounts for 5~70 weight % in the total weight, is used to cover inner surface in fact.
At this moment, the leaching of granulometric impurity in stored medicine is few, and resistance to chemical reagents is good, and has sufficient mechanical, thereby can be used as the up-to-date container body 2 of strict international standard that can fully satisfy associated danger thing medicine conveying container.
In addition, as other concrete example, container body 2 can also be structure as described below:
At least its inner surface is to be 0.940~0.970g/cm by density 3Polyethylene or the resin of the copolymer of ethylene/alpha-olefin constitute; Content by neutralizing agent, oxidation inhibitor and fast light stabilizer in this quantitative resin of LC instrument is below 0.01% weight with respect to total resin weight; The weight average molecular weight of this resin of measuring by the gel chromatography instrument is 12~26 * 10 4, the mol wt 1 * 10 in the resin 3Following polymer phase is for total resin weight less than 2.5 weight %.At this, alpha-olefin can be and is selected from least a in propylene, 1-butylene, 4-methyl-1-pentene, 1-hexene, the 1-octene.At this moment, can obtain having good mechanical strength, processing ease and contaminant particles at take care of few container body 2 of leaching in the solvent that stores.In addition, though with following fluid storage in said vesse main body 2, also can fully satisfy the quality standard that Pharmacopeia of Japan is formulated:
Methyl alcohol, ethanol, isopropyl alcohol, isobutanol, ethylene glycol, acetone, ethyl acetate, toluene, Dimethyl fomamide, ethylene glycol ethyl ethers acid esters, methoxyacetic acid propyl ester, butyl cellosolve etc.; And
The high-purity solvent that is used for medical usages such as sterilization, sterilization, preparation raw material, for example: methyl alcohol, ethanol, isopropyl alcohol etc.
Then, as other concrete example, container body 2 also can be shaped by resin combination, and this resin combination comprises:
Weight average molecular weight 12~26 * 10 by gel chromatography instrument mensuration 4, mol wt 1 * 10 3Following less than 5 weight %, density are 0.940~0.970g/cm 3Polyethylene or the resin of ethylene/alpha-olefin copolymer;
Be neutralizing agent, oxidation inhibitor and fast light stabilizer below the 0.01 weight % by each quantitative content of LC instrument;
0.01-5 the inorganic pigment that is selected from oxidation phthalein, carbon black and red iron oxide of weight %, phthalocyanine blue system, quinoline acridone system and azo are at least a light-proofness pigment in the organic pigment; And
The number-average molecular weight of less than 5 weight % is 2 * 10 3The dispersing agent of above olefin polymer.
At this moment, it is few and can prevent that content from meeting the rotten container body 2 of light in the take care of leaching that stores in the medicine to obtain to have good mechanical strength, processing ease and contaminant particles.Therefore, can be widely used in quartz conductor with soup or above-mentioned pharmaceutical solvent etc.
In addition, as other concrete example, container body 2 can also be the container as following structure blow molding:
Internal layer, this internal layer be by comprise the olefin polymer that is selected from ethene, propylene, 1-butylene, 4-methyl-1-pentene, 1-hexene or 1-octene, and ethene and ethene outside the copolymer that alkene became in a kind of, the highest high purity resin that is no more than 0.01 weight % of the content of neutralizing agent, oxidation inhibitor and fast light stabilizer constitutes;
Interlayer, this interlayer are made of the tool solvent barrier resin that contains ethylene-vinyl alcohol copolymer;
Skin, this skin are made of the resin combination that contains the light-proofness material,
Minimum absorbance by the whole layer of the container below the wavelength 400nm of spectrophotometric determination is more than 2.0, and the absorbence coefficient at wavelength 400nm that the absorbance of the whole layer of container obtains divided by the thickness of the whole layer of container is 1.5mm -1More than, the absorbence coefficient of wavelength 600nm is 1.5mm simultaneously -1Below.At this, can also comprise in the outer field resin combination:
Less than 5% weight be 2 * 10 by being selected from number-average molecular weight 3Above polyethylene and at least a pigment dispersing agent that olefin polymer constituted in the polypropylene;
0.01-5 weight % is selected from least a light-proofness pigment in inorganic pigment and the organic pigment.The ultraviolet absorbent that also can in outer field resin combination, comprise less than 2.5 weight %.At this moment, can obtain preserve and course of conveying in the leaching of no particulate or metallic ion, can keep the quality of high purity soup, and cracky not, weight-saving container body 2.
In addition, also crooked elastic rate is set is that thermoplastic resin more than the 700MPa is to form container body 2 to the skin of the container that can put down in writing at these concrete examples, can also be with set skin, all have crooked elastic rate more than the 700MPa in the whole wall portion of multiple-structure.
As shown in Figure 1, supporting station 3 has the jut 12 chimeric with the turn trough 11 of container body 2, the roughly the same outside cylindrical portion 13 of diameter and metastomium 5 and the bottom that forms cylindrical portion 13,14 separately with the inside cylindrical portion 14 that supports with the downside butt of round bottom 6 in the bottom 15 link to each other two-layer cylindric.Because by above-mentioned supporting station 3 is embedded into container body 2 and can make round bottom 6 run into smooth keeping platform 18, therefore, liquid container 1 can stably be supported oneself.
In addition, as shown in Figure 1, when a plurality of liquid containers 1 were stacked, top 7 butts by bottom 15 at least a portion that make supporting station 3 and the container body 2 that is stacked in lower floor engaged.And, the space of the portion of running through 9 that forms portion in the central by the inside cylindrical portion 14 of supporting station 3 for accommodating the discharge orifice 8 of the strap bolt body 16 of the container body 2 that is stacked in lower floor.Therefore, a plurality of liquid containers stably can be stacked.The above-mentioned location of portion 9 when being used for that liquid container 1 is installed to aftermentioned liquid feeding device 20 of running through.
In addition, the shape of bottom 15 also can be with the corresponding shape of the inclination at top 7 or make a bottom part of 15 protuberance and have shape with the foot of top 7 butts, so that it can be stablized and easily be carried on the top 7 that is stacked in lower floor.
Comparatively it is desirable to, but supporting station 3 is formed by the thermoplastic base resin of aforementioned material regeneration.
In addition, because if form the curved surface diameter of the round bottom 6 of container body 2 less, then liquid 17 focuses on bottommost easily, the height of supporting station 3 need be formed higher, therefore needs to coordinate these factors and forms.As an example, comparatively it is desirable to, form the curved surface of round bottom 6 with about 1~30 times radius of the radius of metastomium 5.In addition, comparatively it is desirable to, the form that has 3~300mm left and right sides drop with the bottommost and the metastomium lower end of round bottom 6 forms round bottom 6, and even more ideal is, the form formation round bottom 6 that has 5~100mm left and right sides drop with bottommost and the metastomium lower end of round bottom 6.
In addition, also can be provided for the handle of assurance when carrying at the top 7 of container body 2.At this moment, when liquid container 1 is stacked, handle is arranged to be accommodated in the portion of running through 9 of supporting station 3.Handle is reversible preferably.
Be filled into aforesaid liquid container 1 by liquid 17, again key 16 and discharge orifice 8 screwed togather sealing, thereby can carry out the storage and the conveying of liquid 17 specified amount.
Then,, describe liquid transporting apparatus of the present invention and feeding method with reference to Fig. 2, Fig. 3, Fig. 4.
Liquid feeding device 20 is to be provided with the device of liquid container 1 with liquid 17 outputs, as shown in Figure 2, comprises base 31, liquor charging adapter 21 and withholds member 34.
Base 31 is the members that are used for load bearing fluid container 1, and it has columned jut 32 in metal making sheet, the just in time embedding mutually of the portion of running through 9 of this jut 32 and liquid container 1, and connect with the outer wall of bottommost at least of the round bottom 6 of container body 2.The upper surface part of jut 32 (top of figure) can be flat condition as shown in Figure 2, maybe can form in the shape that just in time caves on the such curved surface of embedding mutually with round bottom 6.Because it is make the shape that the upper surface part of jut 32 caves on curved surface come container body 2 is supported, thereby comparatively desirable with face.Can be as shown in Figure 2 from the height of the jut 32 of base upper ledge, both can be the height that the bottom 15 of liquid container 1 is suspended on base 31, also can be bottom 15 just in time with base 31 contacted height.In addition, from the viewpoint of the location of liquid container 1, the diameter of jut 32 preferably can with the portion of running through 9 diameters of embedding mutually just, but as long as littler than the portion of running through 9 at least.
As shown in Figure 2, withhold member 34 by the rotating shaft 35 of band fixed mechanisms can be bearing in with freely moving stand up the column 33 of setting from base 31 on.This withhold member 34 with the position of the liquor charging adapter 21 top butts that are embedded into discharge orifice 8 on can fix the action that this withholds member by the fixed mechanism of rotating shaft 35.In rotating shaft 35, be provided with fixedly disengage button (not shown), just can make and withhold member 34 and freely move once more by operating this button.As the fixed mechanism of withholding member 34, can use various known mechanisms.
And, shown in Fig. 2~4, to withhold member 34 and have locating part 36, this locating part 36 is formed with the 36a of port portion that is used to run through aftermentioned pressurization adaptor union 30.As an example, locating part 36 be by the metallic bar through crooked or form through connection such as welding, it has the 36a of port portion that forms U font shape, and formation has the supporting bar that extends to the side of withholding member 34 from each end.This locating part 36 is fixed in the sidewall of withholding member 34 firmly.Locating part 36 can not disturb with liquor charging adapter 21 when withholding member 34 rotations mutually, and the 36a of port portion contacts with pressurization adaptor union 30 and makes locating part 36 be arranged on the position of the rotation of withholding member 34 being carried out fastening.In addition, the 36a of port portion so long as can pass the pressurization adaptor union 30 shape get final product, both can be circular that the bar looped-shaped bending is formed, also can be tabular with hole portion.Especially under the situation that forms U font shape as shown, since its upper side opening, the dismounting operation of the adaptor union 30 that therefore can conveniently pressurize, thereby comparatively desirable.
In addition, withhold member 34 and have locating dowel pin 37.
As shown in Figure 3, liquor charging adapter 21 forms cloudy bolt, thereby can the discharge orifice 8 of liquid container 1 be sealed.Liquor charging adapter 21 has: gas supply opening 25; Liquid pushing tube 23; Pressure gauge 26; Safety valve 27; And hand valve 28.
As shown in Figure 3, Figure 4, liquor charging adapter 21 has with being of discharge orifice 8 tablings fitting portion 21a cylindraceous and to the pipeline that links to each other with liquid pushing tube 23, gas supply opening 25 and weather gauge etc. and carries out supported conduit support 21b, both all have air-tightness, and the 21b of pipe-supporting portion forms and combines with fitting portion 21a and free to rotate on axially at it.
In addition, as shown in Figure 4, it is smooth that the 21b of pipe-supporting portion of liquor charging adapter 21 is formed upper surface, and the part on surface is formed with and the locating dowel pin 37 of withholding member 34 positioning groove 24 of embedding mutually thereon.As an example, positioning groove 24 has the groove end for the cylinder side wall at the 21b of pipe-supporting portion, and it is along the direction of cylinder side wall towards cylindrical center's axle, with locating dowel pin 37 mutually the groove width of embedding be formed up to the position that arrives liquid pushing tube 23 fronts.。
Positioning groove 24 and locating dowel pin 37 are examples of detent mechanism of the present invention, withholding on the position that member 34 top with liquor charging adapter 21 connects, when locating dowel pin 37 and positioning groove 24 tablings, the 21b of pipe-supporting portion is with respect to withholding member 34, direction can be fixed, to limit gas supply opening 25 with respect to the position of withholding member 34.Pressurization adaptor union 30 and gas supply opening 25 particularly, when positioning groove 24 and locating dowel pin 37 are chimeric, define the position of withholding member 34 and gas supply opening 25, so that can be connected under the adaptor union 30 that pressurizes passes the state of the 36a of port portion of locating part 36.In addition, also can with locating dowel pin 37 mutually the hole portion of embedding be formed on the 21b of pipe-supporting portion and replace positioning groove 24.
Gas supply opening 25, it is that it is the structure that can connect the adaptor union 30 that pressurizes to the supply port of supply gas in the container body 2, this pressurization adaptor union 30 links to each other with pressurized source 29 by pressure pipe.Pressurization adaptor union 30 is with safe locking mechanism, and has relief valve, and this relief valve is retained air pressure in container, takes off because of carelessness when pressurizeing adaptor union 30 from gas supply opening 25, releases the gas into the outside.
Pressurized source 29 from the gas supply device that constitutes by gaholder as shown in figure 3 or not shown gas generating unit, decompression adjuster, storage tank etc. with the pressure of the highest 200kPa of being no more than, be preferably the pressure of 10k~200kPa, the pressure of pressure 10k~50kPa more preferably, the air of non-active gas (being nitrogen as an example) or particulate has been removed in supply.
The terminal 23a of liquid pushing tube 23 is positioned at the approaching position of part (bottommost) with the extreme lower position of the round bottom 6 of container body 2, and is fixed in liquor charging adapter 21 so that front end 23b is exported to the outside of container body 2.Particularly, liquid pushing tube 23 is fixed on and the center shaft of the 21b of pipe-supporting portion consistent location roughly.Comparatively it is desirable to, the terminal 23a of liquid pushing tube 23 is fixed in liquor charging adapter 21, so that approaching as far as possible apart from the distance of the bottommost of round bottom 6, as an example, can be fixed into the distance of 1~3mm.The adaptor union 39 that connects usefulness at the front end 23b of liquid pushing tube 23 with pipe arrangement.
Pressure gauge 26 is used for compressing into the analyzer that row monitors in the container body 2.Safety valve 27 releases the gas into the outside when the pressure in the container body 2 is higher than specified value.Hand valve 28 is normally cutting out, and carries out M/C as required and comes gas release to the outside.
Then, the using method of liquid feeding device 20 and the feeding method of action and liquid 17 are described.
As shown in Figure 3, the liquid container 1 of having filled liquid 17 is run through the jut 32 form carrying of embedding mutually of portion 9 and base 31 with it.By this, liquid container 1 is positioned on the base 31 easily.Then, if liquid container 1 is equipped with 16 of keys and unloads this key, liquor charging adapter 21 is installed to discharge orifice 8.
By this, the terminal 23a of the liquid pushing tube 23 of liquor charging adapter 21 is inserted near the lowest part of round bottom 6, and the front end 23b of liquid pushing tube 23 is exported to external container.
Then, connect the top that is fixed to liquor charging adapter 21 with withholding member 34 signatures.At this moment, as shown in Figure 4, the 21b of pipe-supporting portion is rotated, so that it is chimeric with the positioning groove 24 of liquor charging adapter 21 to withhold the locating dowel pin 37 of member 34.By this, as shown in Figure 3, can make the direction of withholding member 34 and liquor charging adapter 21 be consistent state easily, the jut 32 by base 31 and withhold the both sides up and down that member 34 is clamped container body 2.In addition, locating part 36 along with the rotation of withholding member 34 and approaching with gas supply opening 25, the 36a of port portion of locating part 36 is positioned at the position of the axis that passes gas supply opening 25.
Then, gas supply opening 25 is installed the pressurization adaptor union 30 of the pressurized source 29 that stops the gas supply.At this moment, because gas supply opening 25 has been positioned, therefore, pressurization adaptor union 30 must pass the 36a of port portion of locating part 36 and be connected with gas supply opening 25.
On the adaptor union 39 of liquid pushing tube 23, be connected with photoresist dissemination apparatus 50 as an example via pressure pipe.Photoresist dissemination apparatus 50 is the devices that are used for not shown semiconductor wafer is sprayed photoresist liquid, and it has: buffer container 51; Pump 52; Filter 53; Triple valve 54; And nozzle 55.
Then, if the regulating control of opening pressurized source 29 comes supply gas, then gas can flow in the container body 2 so that the liquid level of liquid 17 is exerted pressure, liquid 17 transferred out from liquid pushing tube 23 with and be sent to photoresist dissemination apparatus 50.At this moment, container body 2 is applied with utilizes gaseous tension and the power of expansion direction, but, breakage etc. can not take place because container body 2 is to be formed by the resin that crooked elastic rate is at least 700MPa, thus very safe.
In addition, because therefore the highest 200kPa that is no more than of gaseous tension can produce bubble hardly in the liquid 17 that is sent.Because gaseous tension is low more, the generation of bubble is few more, and therefore, pressure is 10k~50kPa for example preferably.
Because container body 2 and liquor charging adapter 21 be by jut 32 and withhold the position that member 34 limits above-below direction, therefore can prevent towards upper and lower to deformation.Therefore, the terminal 23a of liquid pushing tube 23 and the distance between the round bottom 6 can not become greatly, but keep the state that gets close to.Thereby, even the raffinate quantitative change of liquid 17 is few, also the liquid 17 that focuses on round bottom 6 central portions can be sent substantially.
At last, shown in the right circles frame among Fig. 3 because because of the surface tension and the gaseous tension of liquid 17, can will amass than terminal 23a more the liquid 17 of downside send substantially, therefore, the raffinate quantitative change of liquid 17 considerably less.Thereby the raffinate amount of liquid 17 is below 0.5% of the capacity of accommodating of liquid container 1.
The liquid container 1 of finishing using is withheld the fixing of member 34 and is rotated towards the top and to make its opening what liquor charging adapter 21 fix by removing, but it is if open under pressurized state, then can fly out with liquor charging adapter 21, the operator is brought further danger because of residual voltage makes liquid container 1.But the 36a of port portion that passes locating part 36 by the adaptor union 30 that will pressurize installs, and withholds member 34 towards the top rotation even desire to make, and locating part 36 also can its rotation of fastening with the bottom butt of pressurization adaptor union 30.Therefore, owing to can prevent liquor charging adapter 21 reliably, therefore can be made for device as safe as a house because of residual voltage flies out.As long as effectively utilize incidental safe locking mechanism and do not untie safe locking mechanism on the adaptor union 30, just can't make and withhold member 34 liquid container 1 that taking-up finishes using that jumps up towards the top in pressurization.
The liquid container 1 of finishing using can be used as plastic material and carries out material regeneration (renewable resources).After can cleaning, supporting station 3 directly utilizes again.In addition, according to the kind of the liquid 17 of being filled, utilize again after also container body 2 can being cleaned.
In addition, as shown in Figure 5, when the using gases supply opening 25 liquor charging adapter 21 that install (top of figure) towards the top, withholding under the state that member 34 top with liquor charging adapter 21 connects, locating part 36 is fixed on the side of withholding member 34, so that the 36a of port portion of U font passes the axis of gas supply opening 25.At this moment, the 36a of port portion with the connecting portion 30a that can pass pressurization adaptor union 30 shown in Figure 5 but the size that can't pass main part 30b form.
In above-mentioned liquid feeding device 20, shown in the arrow of the long and two-short dash line of Fig. 5, along with the rotary spacing spare 36 of withholding member 34 also rotates together.Make and withhold member 34 with liquor charging adapter 21 butts and under the fixing state, its axis is passed near the gas supply opening 25, the 36a of port portion is positioned at than gas supply opening 25 slightly by the position of upside.The connecting portion 30a of pressurization adaptor union 30 is passed the 36a of port portion and is connected with gas supply opening 25.By this, the main part 30b of pressurization adaptor union 30 is positioned at the position of more leaning on upside than the 36a of port portion.Under this state, make even desire is removed fixing and to withhold member 34 and rotate towards the top, the 36a of port portion also can the fastening with the main part 30b butt of pressurization adaptor union 30.Therefore, can prevent just will withhold under the situation that pressurization adaptor union 30 is installed member 34 towards above takeoff, therefore, liquor charging adapter 21 can be because of residual voltage fly out, and is as safe as a house.
In addition, to forming positive bolt on the discharge orifice 8 of liquid container, on key 16 and liquor charging adapter 21, forming cloudy bolt, be illustrated with example with the bolt combination, as long as but can make gas not spill and seal from discharge orifice 8, be not limited to above-mentioned example, for example also can make its combination by chimeric.
Embodiment
Liquid container 1 of the present invention and liquid feeding device 20 are used in trial-production.Container body 2 is that (density is 0.955g/cm by the high-density polyethylene resin of crooked elastic rate 920MPa 3, fusion index is 0.15g/10 minute) form, supporting station 3 is that (density is 0.938g/cm by straight chain shape ldpe resin 3, fusion index is 3.8g/10 minute) form, thereby form the container of 20L.The average thickness of slab of container body 2 is 3mm, and the thickness of slab of supporting station 3 is 3mm.The radius of the metastomium 5 of container body 2 is 150mm, and the length of metastomium 5 is 300mm, and round bottom 6 is that the curved surface by radius 2253mm forms.With external diameter is that the liquid pushing tube 23 of 6mm is fixed in liquor charging adapter 21, so that the distance of round bottom 6 and the terminal 23a of liquid pushing tube 23 is 5mm.Fill the water of 20L in liquid container 1, be installed on the liquid feeding device 20 again, carry out liquor charging with the gaseous tension of 20kPa, the quantity of residual in this moment liquid container 1 is 10mL.
In aforesaid liquid container 1, fill the water of 20L, and stack 3 liquid containers.Do not confirm any liquid container 1 breakage or deformation, therefore can stably stack.
Trial-production Another application liquid container 1 of the present invention and liquid feeding device 20.Container body 2 be by:
The internal layer raw material is that (density is 0.958g/cm for the high-density polyethylene resin of crooked elastic rate 1370MPa 3, fusion index is 0.35g/10 minute); The interlayer raw material is that density is 1.19g/cm 3, fusion index is that 1.6g/10 minute, ethylene copolymer ratio are the ethylene-vinyl alcohol copolymer resin of 32mol%; And outer raw material is that (density is 0.957g/cm for the high-density polyethylene resin of crooked elastic rate 1100MPa 3, fusion index is 0.04g/10 minute) form,
Supporting station 3 is that (density is 0.938g/cm by straight chain shape ldpe resin 3, fusion index is 3.8g/10 minute) form, thereby form the container of 4L.The average thickness of slab of container body 2 is 3mm, and the thickness of slab of supporting station 3 is 3mm.At this moment, the crooked elastic rate of laminated vessel is 1150MPa.The radius of the metastomium 5 of container body 2 is that 85mm, container overall height are that 310mm (length of metastomium 5 is 230mm), round bottom 6 are to be that the curved surface of 731mm forms by radius.With external diameter is that the liquid pushing tube 23 of 6mm is fixed in liquor charging adapter 21, so that the distance of round bottom 6 and the terminal 23a of liquid pushing tube 23 is 3mm.Fill the water of 4L in liquid container 1, be installed on the liquid feeding device 20 again, carry out liquor charging with the gaseous tension of 20kPa, the quantity of residual in this moment liquid container 1 is 8mL.
No matter be in industry manufacture field, pharmaceuticals field and field of food so long as all can use liquid container of the present invention and liquid feeding device in the field of using high-quality liquid, also can use feeding method of the present invention together.

Claims (8)

1. liquid container comprises:
Container body, this container body is the thermoplastic base resin blow molding that is at least 700MPa by crooked elastic rate, be formed with round bottom roughly being metastomium cylindraceous, the top has the discharge orifice concentric with described metastomium, described container body can be accommodated liquid, and described discharge orifice has the key that can carry out dismounting; And
Resinous supporting station is supported oneself in order to make container body, and the described round bottom side of this supporting station and described metastomium is chimeric, it is characterized in that,
At least the inside face of described container body is to be formed by the high purity thermoplastic base resin that can not leach the contaminant particles more than the required standard value in liquid,
When a plurality of container bodies are stacked, on described supporting station, be formed with the portion of running through that to accommodate the described discharge orifice that has described key of the described container body that is stacked in lower floor, and be formed with the bottom that can engage with the top of the described container body that is stacked in lower floor.
2. liquid container as claimed in claim 1 is characterized in that, but the resin that forms described container body and/or described supporting station is the resin of material regeneration.
3. a liquid feeding device is equipped with liquid container as claimed in claim 1 or 2, so that the liquid in the described liquid container is sent, it is characterized in that, comprising:
Base, this base is equipped with described liquid container, and has jut, the described portion of running through of this jut and described supporting station mutually embedding and with the described round bottom butt of described container body;
The liquor charging adapter, this liquor charging adapter can replace described key and with respect to described discharge orifice dismounting, and can seal described container body, described liquor charging adapter has gas supply opening and liquid pushing tube, wherein, described gas supply opening is used for being connected with the pressurized source of the pressure of the high 200kPa of being no more than, with to supply gas in the described container body, the end of described liquid pushing tube is positioned at the approaching position of bottommost with the described round bottom of described container body, and the front end of described liquid pushing tube exports to the outside of described container body; And
Withhold member, but this be arranged on with withholding the member free motion stand up the pillar that is provided with from described base on, and can with fix its action on the position of the top butt of the described liquor charging adapter of embedding mutually with described discharge orifice.
4. liquid feeding device as claimed in claim 3 is characterized in that, being connected with pressure on described gas supply opening is the described pressurized source of 10k~50kPa.
5. as claim 3 or 4 described liquid feeding devices, it is characterized in that, on described gas supply opening, be formed with the pressurization adaptor union that links to each other with described pressurized source joinably, the described member of withholding has locating part, when with the state of the top butt of described liquor charging adapter under when described pressurization adaptor union is connected with described gas supply opening, described locating part and described pressurization adaptor union butt and with described mobile fastening of withholding member.
6. liquid feeding device as claimed in claim 5 is characterized in that, describedly withholds member and described liquor charging adapter has detent mechanism, and this detent mechanism is chimeric mutually to limit described gas supply opening with respect to described position of withholding member.
7. feeding method, it is characterized in that, filling liquid in liquid container as claimed in claim 1 or 2, the end of liquid pushing tube is inserted near the bottommost of round bottom, and the front end of described liquid pushing tube exported to the outside, clamp the both sides up and down of the container body of described liquid container, the highest gas that is no more than the pressure of 200kPa of supply is sent liquid from described liquid container in described liquid container.
8. feeding method as claimed in claim 7 is characterized in that, the pressure of described gas is 10k~50kPa.
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TW201139218A (en) 2011-11-16
JP2011098736A (en) 2011-05-19

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